Money guide
Should you reinvest dividends or take the cash?
Reinvesting compounds the income, which is usually right while you are building. The part that catches people is the tax bill that arrives whether you took the cash or not — and the cost basis nobody tracks.
A dividend reinvestment plan does one thing: instead of paying the dividend into your account as cash, it buys more shares with it. Those shares pay dividends too, which buy more shares.
It is compounding applied to income, and while you are still building a portfolio it is usually the right setting. The complications are all on the tax side, and they are the part that gets people into trouble years later.
What reinvesting actually does
Dividends are a meaningful share of long-run equity returns — the difference between the S&P 500 price index and the same index with dividends reinvested is large, and it is why the 10.02% long-run figure is always quoted "with dividends reinvested".
Turning reinvestment off does not make you poorer by the amount of the dividend. It makes you poorer by the dividend plus everything the dividend would have earned, which over decades is the larger number.
The dividend reinvestment calculator shows both paths with the same yield and growth assumptions, so the gap is the effect of reinvestment alone.
The tax bill arrives either way
This is the point most people miss, and it only applies in a taxable brokerage account:
That is worth sitting with. In a taxable account, reinvestment does not defer anything. It produces a tax liability with no cash attached to pay it, which means the tax comes out of your other money.
In a 401(k), IRA or Roth, none of this applies — dividends inside those accounts are not taxed as they are paid. So the "should I reinvest" question is genuinely different depending on which account you are asking about, and most discussions of it never say which.
The cost basis problem
Every reinvested dividend buys shares at whatever the price was that day. Each of those purchases has its own cost basis.
If you do not track them, then when you eventually sell, you will be taxed on gain you do not actually have — because the basis you report will be only the money you originally deposited, not the money you deposited plus every dividend you already paid tax on.
You would be paying tax twice on the same dollars.
Brokers have been required to report basis on covered shares for some years now, so for most modern accounts this is handled. The cases where it bites are:
- Shares transferred between brokers, where basis sometimes does not follow
- Long-held positions predating broker basis reporting
- Shares held directly with a transfer agent through a company DRIP
- Inherited or gifted shares
If you have any of those, find the basis records before you sell, not after.
When taking the cash is right
- You need the income. This is the obvious case and it is the main one. Living off dividends rather than selling shares is a legitimate strategy.
- You want to rebalance. Automatic reinvestment buys more of whatever just paid, which drifts your allocation toward your existing holdings. Taking the cash and directing it yourself is a free rebalancing opportunity.
- You are deliberately reducing a position. Reinvesting into a holding you are trying to shrink works against you.
- The tax is awkward. In a taxable account, taking enough cash to cover the tax on the dividend, and reinvesting the rest, is a reasonable middle setting.
What to ask yourself
- Which account is this? Taxable and tax-advantaged give different answers to the same question.
- Am I building or drawing? Building favors reinvestment almost always.
- Do I know my basis? If the answer is no and the account is taxable, fix that before you need it.
- Is reinvestment quietly concentrating my portfolio? Check the allocation once a year rather than assuming automatic is neutral.
The default for a long-horizon investor is to reinvest, and in a tax-advantaged account there is almost no argument against it. In a taxable account the answer is still usually yes — but go in knowing that the tax does not wait for you to see the cash.
Sources: dividend taxation and cost basis treatment from IRS Publication 550, Investment Income and Expenses. Long-run return figures from Aswath Damodaran's dataset at NYU Stern, 1928 to 2025, read from the same constants the calculators use.